Home / 10,346.60-15,530.20-4,801.21

Finding the Fourth Proportional to 10,346.60, 15,530.20 and 4,801.21

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Solution

The fourth proportional to 10,346.60, 15,530.20 and 4,801.21 is: 7,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.60 : 15,530.20 = 4,801.21 : x
  2. Step 2: Convert to fraction form
    10,346.60/15,530.20 = 4,801.21/x
  3. Step 3: Cross multiply
    10,346.60x = 15,530.20 × 4,801.21
  4. Step 4: Simplify right side
    10,346.60x = 74,563,700.71
  5. Step 5: Solve for x
    x = 74,563,700.71/10,346.60
  6. Step 6: Final answer
    x = 7,206.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.